diff --git a/registration.sh b/registration.sh
index 0795249..02709a8 100644
--- a/registration.sh
+++ b/registration.sh
@@ -17,6 +17,7 @@ for i in {0..3} ; do
 	echo "Drawing registration marks ${i}..."
 	bash position.sh set
 	ax guides/guide_marks.svg
+	name="${i}"
 	number=`mktemp`.svg
 	node ./numbers/ -n "${name}" -o "${number}"
 	ax "${number}"